| Acronym | Meaning |
| IUSS | Integrated Undersea Surveillance System - Integrated Unit Simulation System - International Union Of Soil Science |
| NUWC | U.S. Naval Undersea Warfare Center |
| FWS | U.S. Fish And Wildlife Service |
| IGY | International Geophysical Year |
| ENT | Ear |
| FIGJAM | Fuck I'm Good |
| SBB | German For The Swiss Federal Railways |
| RADAR | RAdio Detection And Ranging |
| THA | Thai Language (ISO 639-2 Code) |
| HSS | Health Service Support -High-Speed Steel |